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Published online before print December 6, 2006, doi:10.1212/01.wnl.0000250331.35912.a5)
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NEUROLOGY 2007;68:150-151
© 2007 American Academy of Neurology

Limb-kinetic apraxia in Parkinson disease

K. Quencer, BS, M. S. Okun, MD, G. Crucian, PhD, H. H. Fernandez, MD, F. Skidmore, MD and K. M. Heilman, MD

From the Department of Neurology, University of Florida College of Medicine, Center for Neuropsychological Studies and Neurology Service of the Malcom Randall, Department of Veterans Affairs Medical Center, Gainesville FL.

Address correspondence and reprint requests to Dr Heilman, Department of Neurology, University of Florida College of Medicine, Box 100236, Gainesville, FL 32610; e-mail:heilman{at}neurology.ufl.edu

To learn if limb-kinetic apraxia (LKA) is associated with Parkinson disease (PD), participants with PD (on medications) and control subjects performed finger tapping (FT), measuring movement speed, and performed coin rotation (CR), measuring precise coordinated but independent finger movements and speed. There were no group differences in FT, a measure of bradykinesia–rigidity, but CR rotation was impaired in PD. Thus, LKA, not related to bradykinesia–rigidity, is associated with PD.

Editorial, see page 90

This article was previously published in electronic format as an Expedited E-Pub at www.neurology.org

Supported in part by NIH and the US Department of Veterans Affairs.

Received April 24, 2006. Accepted in final form July 27, 2006.




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Limb-kinetic apraxia in Parkinson disease
Michael Swash
Neurology Online, 24 Apr 2007 [Full text]
Reply from the Editorialists
William M. Landau, et al.
Neurology Online, 24 Apr 2007 [Full text]